RCS Racing After Run Oil has ben specially formulated over many years of running Nitro engines, this oil has been designed to provide maximum protection to your engine over a long period, of non use or storage. It also provides additional lubrication protection after running the engine out of fuel.
A drop of After Run oil should be placed into the engine carburettor,and the engine turned over a couple of times to ensure distribution. This should be done when the engine is cool, and when you dont intend to use the engine for a period of time. It keeps the engine lubricated, and stops any left over fuel congealing.